听力原文:Half the people in my office are homesick, so I'm up to my ears! What does the sp
听力原文:Half the people in my office are homesick, so I'm up to my ears!
What does the speaker mean?
A.He has to answer a lot of phone calls in the office,
B.He has to help his colleagues to ask for leave.
C.He is busy with his work.
D.He is getting sick.